The SRAM Rival Open Core Technology (OCT) Crankset shows the way forward for any serious cyclist, putting power to the road while saving weight at the same time.

Utilising Open Core Technology, the OCT Chainset's crank arms are hollow-forged out of AL-6066 alloy for maximum strength and mount our new PowerGlide™ 10 speed chainrings.

Weighing only 830g, the crankset is finished off with SRAM's GXP™ bottom bracket, which has been designed to increase power transfer and rigidity while reducing component wear.

OCT (Open Core Technology):

To fabricate our Open Core Technology a single mass of premium alloy is pushed, pulled and squeezed into a hollow crank arm. During our exclusive process the magic happens, producing supreme strength while remaining weight-conscious. We may have not been the first to fabricate hollow crank arms, but we are the best by yielding the highest stiffness-to-weight ratio out there. Our OCT cranks are stiffer, stronger, and lightweight beyond any solid forged crankset and when we use our AL-7050-TV to fabricate with OCT the results are impressive.

Please Note: The 180mm crank length is a special order item. Please allow up to 90 days for delivery on this item.

NB: Image for illustration purposes only

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Hollow-Forged OCT Crank Arms

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Powerglide Chainrings

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Hard-Anodized Coating

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Chainring Sets: 53/39T

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Crank Length Options: 170mm, 172.5mm, 175mm, 180mm

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GXP Cups Not Included

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Weight: 830g w/ BB

SRAM Corporation is a bicycle component manufacturer based in Chicago, Illinois, founded in 1987. SRAM is an acronym comprising the names of its founders; Scott, Ray, and sAM, (where Ray is the middle name of company head Stan Day).

SRAM began with the goal of creating the absolute best shifting system and changed the cycling world forever with the introduction of Grip Shift in 1988. To support this innovation, SRAM invested in the Sachs Bicycle Company in 1997 and built a state of the art manufacturing facility in Schweinfurt Germany. They had the vision and desire to expand their presence in the industry, joining forces with one of the leading MTB suspension companies, RockShox, creating huge excitement in the global cycling community. Not content to stop there, SRAM knew expanding the range with the best brakes, bottom brackets, cranksets and wheels would fine-tune the brand even more. bringing on board Avid, Truvativ and Zipp.

Now that SRAM have achieved total drive train nirvana, they continue to seek and deploy technological and engineering advancements, as they compulsively refine and redefine the pinnacle of the ultimate ride.

For your everyday training, long rides on the weekends, as well as an exceptional cyclocross performer, SRAM Rival is the perfect match. With sleek carbon brake levers you have the feel and look of pro components, together with the unrivaled technologies borrowed from SRAM Red and SRAM Force, Rival is an incredible groupset for what it delivers and how well it performs.

SRAM’s popular reach adjust feature, available only on SRAM’s DoubleTap shift levers, allows riders to customise their SRAM brake and shift levers for a perfect fit. Whether its smaller hands, Cross racing, or just customizing your lever spacing, every rider now has a choice on positioning their levers.

SRAM introduced OCT (Open Core Technology) into mountain bikes and then brought it to the road. Now it’s lighter, stiffer and sexier in the SRAM Rival line-up. The hollow-forged aluminium cranks are available in 110 or 130 Bolt Circle Diameter options and range from 165 to 180cm.